CVE-2019-6596: High severity F5 BIG-IP Access Policy Manager vulnerability
In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, 12.1.0-12.1.3.6, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when processing fragmented ClientHello messages in a DTLS session TMM may corrupt memory eventually leading to a crash. Only systems offering DTLS connections via APM are impacted.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2019-6596?
CVE-2019-6596 is considered a medium severity vulnerability due to its potential to cause crashes in affected systems.
How do I fix CVE-2019-6596?
To fix CVE-2019-6596, upgrade your F5 BIG-IP Access Policy Manager to a non-impacted version.
What systems are affected by CVE-2019-6596?
CVE-2019-6596 affects F5 BIG-IP Access Policy Manager versions 11.5.1 to 14.0.0.
What impact does CVE-2019-6596 have on DTLS connections?
CVE-2019-6596 can lead to memory corruption and potentially a crash when processing fragmented ClientHello messages in DTLS sessions.
Is there a workaround for CVE-2019-6596 until a fix is applied?
Currently, there are no documented workarounds for CVE-2019-6596, so updating is the recommended action.